How to Program a TI-84 Plus Calculator
Texas Instruments produces a line of computerized graphing calculators, the TI series, which includes the TI-84 Plus. The calculators have a host of functions that include graphing, algebraic equation computation, multiple computational modes, and a built-in programming language. The language is not complex in its syntax, and is probably best known for being used to produce the "calculator games" which math and science teachers so despise. However, it can also be used to create custom computational scripts for the user.
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Instructions
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Press the "PRGM" button on your TI-84 Plus, then press the left arrow directional button. This will make your calculator display the new program menu.
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Type in the name of your program. The alpha characters, the letter corresponding to each button, will be above it in a teal-tinted character and will be engaged by default. The first character of your program name must be a letter, after which you can use letters, numbers or theta.
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Press "ENTER." This will register your selected program name, and bring you to the code editing screen.
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Press the "PRGM" button, and watch as a menu of commands displays on your screen. You program with your TI-84 Plus by selecting commands from this menu, then adding specifics with the alpha and number keys. Use the directional keys to select "ClrHome." This command clears your screen of any other information it was displaying when your program launches.
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Use the directional keys to go to the next line. Press the "PRGM" button to enter the commands menu again. Use the directional keys to select "Disp," the command to display numbers and text. Press "ENTER" to add it to your code. After adding a space after the "Disp" command, type two or three numbers, then a comma, then a string of text inside quotation marks.
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Go to the next line. Before going back into the commands menu, type the number 13. Now, while staying on the same line, go into the commands menu and select the command "->(Store)." This command will assign a value to a variable. Press enter to see the command display next to your 13. Staying on the same line, type the letter "A" without the quotation marks. This will assign the value 13 to the variable "A."
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Go to the next line. Go back into the commands menu, and select "Disp" again. Type the letter "A" without quotation marks. Entering a letter without the quotation marks will cause your program to display the value associated with the variable that letter represents, rather than the letter itself.
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Press "Enter" to save your program. To execute it, press "PGRM" again, and select your program name from the list that displays. To expand your knowledge of the commands that TI's BASIC programing language offers, consult further online tutorials or your TI manual.
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References
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